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ABC vs Elastic Stack: catalog facts
ABC	Elastic Stack
Free Free and open source under the Apache 2.0 licence.	Freemium Components can be downloaded for free; hosted service and advanced features are paid.
Windows, macOS, Linux, Command line	Self-hosted
Imports from Postgres, SQL and MongoDB into Elasticsearch Minimal configuration for imports	Long-established standard for central log analytics Ingests data from many sources and formats
Parts of it are tied to the appbase.io service Command line only	Several separate services to deploy and maintain Some features are only available from Elastic's paid offerings
Downloadable app	Self-hosted, Hosted service
Open source	Closed source
License: Apache-2.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.